modify and add general commands test for TTool

simulators/c++2/src_simulator/sim/Simulator.cpp

simulators/c++2/src_simulator/sim/Simulator.h

ttool/src/test/java/tmltranslator/CommonMethods.java

.../src/test/java/tmltranslator/DiplodocusSimulatorTest.java

...sources/tmltranslator/expected/expected_run_to_time_x.txt

...ources/tmltranslator/expected/expected_run_x_commands.txt

...rces/tmltranslator/expected/expected_run_x_time_units.txt

...es/tmltranslator/expected/expected_run_x_transactions.txt